By adding different complications like weather, battery etc. to the watch face, you can make it more impressive as well as user-friendly. Ready to add some cool complications to the watch face? Here you go!

How to Add Complications to Apple Watch in watchOS 3

How to Add/Remove Complication Options from the Customize Screen in watchOS 3

The third party apps like Fantastical 2, Dark Sky which support complications will be displayed in the list of options. You have the option to add or remove complications depending on your requirement.